GeneticsStudyGuide

GeneticsStudyGuide - Genetics Lecture Objectives 1. Explain...

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Genetics Lecture Objectives 1. Explain how Mendel’s particulate mechanism differed from the blending theory of inheritance. 2. Explain the components of Mendel’s hypothesis that led him to deduce the law of segregation. 3. Use a Punnett square to predict the results of a monohybrid cross, stating the phenotypic and genotypic ratios of the F2 generation. 4. Explain how a testcross can be used to determine if an individual with the dominant phenotype is homozygous or heterozygous. 5. Use a Punnett square to predict the results of a dihybrid cross and state the phenotypic and genotypic ratios of the F2 generation. 6. State Mendel’s law of independent assortment and describe how this law can be explained by the behavior of chromosomes during meiosis. 7. Calculate the probability that a particular F2 individual will be homozygous recessive or dominant by multiplying probabilities. 8. Given a Mendelian cross, calculate the probability that a particular F2 individual will be heterozygous by adding probabilities. 9. Give an example of incomplete dominance and explain why it does not
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